{"title":"20x24x4 Air Filters","description":"\u003cp\u003eShop premium HVAC air filters in the most popular residential and commercial filter sizes including 16x20x1, 16x25x2, 20x20x1, 24x24x1, 20x40x1, and more. HVAC Direct USA offers high-quality pleated furnace and AC filters in MERV 8, MERV 11, and MERV 13 ratings designed to improve indoor air quality and HVAC system performance.\u003c\/p\u003e\n\u003cp\u003eFind the right replacement air filters for your furnace, air conditioner, heat pump, or HVAC system with fast USA shipping and expert support.\u003c\/p\u003e","products":[{"product_id":"filter-king-20x24x4-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-38-x-23-38-x-3-75-fb20x24x4-4","title":"Filter King 20x24x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A\/C Furnace Filters | MADE IN USA | Actual Size: 19.38 x 23.38 x 3.75\" - FB20X24X4","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eFILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 20″ x 24″ x 4″ – Actual Size: 19.38″ x 23.38″ x 3.75″\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eMADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA Establishment Number: 103501-FL-1)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eMAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 – 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A\/C and heaters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCAPTURE MORE: Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eFAST \u0026amp; EASY INSTALLATION: Open, Slide and Close! A simple yet effective replacement air filter for your home.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Information\u003c\/strong\u003e - Freight shipping available across the USA. Tracking details provided after dispatch.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWarranty Support\u003c\/strong\u003e - Manufacturer warranty support available on eligible products.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility Help\u003c\/strong\u003e - Need help choosing the right system? Contact our support team for sizing and compatibility assistance.\u003c\/p\u003e\n","brand":"Filter King","offers":[{"title":"Default Title","offer_id":47629937901762,"sku":"FB20X24X4-4","price":46.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/5500\/5890\/files\/51UGq-y0NxL_68d84459-2548-4b7a-ab6f-8a8a3232b960.jpg?v=1781246348"},{"product_id":"filter-king-20x24x4-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-38-x-23-38-x-3-75","title":"Filter King 20x24x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A\/C Furnace Filters | MADE IN USA | Actual Size: 19.38 x 23.38 x 3.75\"","description":"\u003cp data-start=\"96\" data-end=\"120\"\u003e\u003cstrong data-start=\"96\" data-end=\"106\"\u003eBrand:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFilter King\u003c\/p\u003e\n\u003cp data-start=\"123\" data-end=\"144\"\u003e\u003cstrong data-start=\"123\" data-end=\"136\"\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePaper\u003c\/p\u003e\n\u003cp data-start=\"147\" data-end=\"184\"\u003e\u003cstrong data-start=\"147\" data-end=\"170\"\u003eProduct Dimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24″W x 4″Th\u003c\/p\u003e\n\u003cp data-start=\"187\" data-end=\"207\"\u003e\u003cstrong data-start=\"187\" data-end=\"203\"\u003eMERV Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8\u003c\/p\u003e\n\u003cp data-start=\"210\" data-end=\"260\"\u003e\u003cstrong data-start=\"210\" data-end=\"233\"\u003eCompatible Devices:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAir Conditioner, Furnace\u003c\/p\u003e\n\u003cp data-start=\"329\" data-end=\"353\"\u003e\u003cstrong data-start=\"329\" data-end=\"349\"\u003eNumber of Items:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4\u003c\/p\u003e\n\u003cp data-start=\"356\" data-end=\"387\"\u003e\u003cstrong data-start=\"356\" data-end=\"373\"\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFilter King\u003c\/p\u003e\n\u003cp data-start=\"390\" data-end=\"449\"\u003e\u003cstrong data-start=\"390\" data-end=\"408\"\u003eProduct Grade:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5 (based on the\u003cspan\u003e \u003c\/span\u003e\u003ccode data-start=\"425\" data-end=\"436\"\u003econdition\u003c\/code\u003e\u003cspan\u003e \u003c\/span\u003eattribute)\u003c\/p\u003e\n\u003cp data-start=\"452\" data-end=\"479\"\u003e\u003cstrong data-start=\"452\" data-end=\"467\"\u003eUnit Count:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4.0 Count\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eFILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 20″ x 24″ x 4″ – Actual Size: 19.38″ x 23.38″ x 3.75″\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eMADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA Establishment Number: 103501-FL-1)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eMAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 – 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A\/C and heaters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCAPTURE MORE: Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eFAST \u0026amp; EASY INSTALLATION: Open, Slide and Close! A simple yet effective replacement air filter for your home.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Information\u003c\/strong\u003e - Freight shipping available across the USA. Tracking details provided after dispatch.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWarranty Support\u003c\/strong\u003e - Manufacturer warranty support available on eligible products.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility Help\u003c\/strong\u003e - Need help choosing the right system? Contact our support team for sizing and compatibility assistance.\u003c\/p\u003e\n","brand":"Filter King","offers":[{"title":"Default Title","offer_id":47629945635010,"sku":"FB20X24X4-4","price":36.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/5500\/5890\/files\/51UGq-y0NxL_119bf87d-444b-43ed-aa99-477b83620ed9.jpg?v=1781246280"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/5500\/5890\/collections\/ChatGPT_Image_May_18_2026_06_20_35_PM_938fa655-ea24-4394-b563-7849bce9c565.png?v=1779118498","url":"https:\/\/hvacdirectusa.com\/collections\/20x24x4-air-filters.oembed","provider":"hvacdirectusa","version":"1.0","type":"link"}